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Finding the Fourth Proportional to 666,183, 919,347.12 and 364,377

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Solution

The fourth proportional to 666,183, 919,347.12 and 364,377 is: 502,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,183 : 919,347.12 = 364,377 : x
  2. Step 2: Convert to fraction form
    666,183/919,347.12 = 364,377/x
  3. Step 3: Cross multiply
    666,183x = 919,347.12 × 364,377
  4. Step 4: Simplify right side
    666,183x = 334,988,945,544.24
  5. Step 5: Solve for x
    x = 334,988,945,544.24/666,183
  6. Step 6: Final answer
    x = 502,848.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.